

⚙️ Keep your drive smooth with GM’s precision tensioner – because your ride deserves the best!
The GM Genuine Parts 12670574 Drive Belt Tensioner is a spring-loaded pulley assembly engineered and tested to meet strict GM OE standards. Designed for Chevrolet, Buick, GMC, and Cadillac vehicles, it ensures optimal serpentine belt tension for reliable engine performance. Manufactured by ACDelco, this direct-fit part offers durability and seamless installation, backed by General Motors’ trusted quality assurance.





| Manufacturer | ACDelco |
| Brand | GM GENUINE PARTS |
| Model | Tensioner Asm-Drv Belt |
| Item Weight | 2.14 pounds |
| Product Dimensions | 5 x 9 x 3 inches |
| Item model number | 12670574 |
| Exterior | Machined |
| Manufacturer Part Number | 12670574 |
| OEM Part Number | 12670574 |
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